*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    font: 12px/1.5 Microsoft YaHei,Heiti SC,tahoma,arial,Hiragino Sans GB,"\5B8B\4F53",sans-serif;
}
ul{ 
    list-style: none;
}
i,strong{
    font-style: normal;
}
input{
    outline:none;
    border:none;
}
img{
    vertical-align: middle;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
.clearfix:after.clearfix:before{
    content: "";
    display: block;
    clear: both;
}